For a few hours I’ve been unable to access neither gpt-5.4 nor gpt-5.3-codex via both cli and macOS app, getting the following errors: {“detail”:“The ‘gpt-5.4’ model is not supported when using Codex with a ChatGPT account.”} (the same for gpt-5.3-codex model). Is it basically a downgrade for fre…

Looking for verification, this appears to be the official … We’ve limited access to our latest models (gpt-5.3-codex and gpt-5.4) to paid subscriptions. This is necessary to ensure capacity for paid subscribers. If you’re on a Free plan, you can still use Codex with other models including gpt-5.2-…

Temporary issue or best available model has been actually downgraded for free tier users?

Codex

DiscantX March 10, 2026, 6:12pm 32

Lol. So the official OpenAI GitHub account locked the thread there, but they couldn’t be bothered to give actual answers.

3 Likes

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Temporary issue or best available model has been actually downgraded for free tier users?

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